uxcell 2 Pcs 10mm 25/64" Dia Tile Glass Hole Saw Drill Bit Tool Product Name : Glass Hole Saw;Hole Cutting Diameter : 10mm/25/64" Material : Metal, Diamond Particles;Color : Silver Tone Shank Size : 18 x 6.5mm/0.7" x 0.3"(L*D);Total Length : 50mm/2" Weight : 16g Package Content : 2 x Glass Hole Saw